[Fab] Laser cutter

Corey McGuire coreyfro at coreyfro.com
Sat May 7 10:33:17 PDT 2011


It's really good to know the rational behind the placement.  Not just
because it's good to know it's sound, but also because it will be useful to
other dirty-shop people who run in to problems.

With this information, and information that we have worked hard and offered
alternatives, hopefully this will be enough to show that whiners are more
than considered and help quell their complaints.

On Fri, May 6, 2011 at 5:26 PM, Shannon Lee <shannon at scatter.com> wrote:

> People who don't use the dirty shop are not prone to making physical
> changes to the space do-ocratically, and consensus is hard.  If you can bear
> the whining, don't worry about it.  As far as I'm concerned, Noisebridge is
> for making stuff, not for being a clean, comfortable, non-threatening
> hangout space.
>
> When we built out the space, we put the dirty shop where it is for the
> following reasons:
>
> One, the machine-tool sounds weren't seen as being really that bothersome
> to people trying to work or converse; what's most bothersome (or what was,
> at 83c) is other people working or conversing.  So the idea was to use the
> shop as a sound-buffer between two different use cases:  the classrooms and
> kitchen on one side and the work-and-meeting-and-storage spaces on the other
> side.  To me, it seems to have worked, in that nobody really complains about
> conversational noise anymore; OTOH, everybody complains about machine noise.
>
> Two, the big double doors in the shop are meant to have easy, clear-floor
> access to the elevator, for moving big stuff in and out of the shop.  This
> is vaguely true, in that mostly the stuff that gets piled in the entrance
> way can be moved out of the way without too much trouble.
>
> I don't care one way or the other about moving the dirty shop.  I think if
> we want to make it less dirty and noisy for non-dirty-shop users, we should
> finish the walls to the ceiling and put in doors; that said, if we decide to
> move the shop, I'll be OK with that, and will help.
>
> But really, I think we just ignore the complaining and it will be OK.
>
>
> --S
>
>
> On Fri, May 6, 2011 at 3:28 PM, Corey McGuire <coreyfro at coreyfro.com>wrote:
>
>> Ok, that rant was random (forgive me, I am watching a circle get cut
>> 160 to 260 times) but I want to give my opinion on the matter for
>> future users of the machine and the dirty-shop.  I want there to be a
>> consistent message and I want other dirty-users to know that other
>> people have their back.  We have put a lot of work in to the laser
>> room to make ventilation a non-issue, but whiney bitches don't know
>> this.  As far as they are concerned, we're all asshole with no
>> consideration for other people in the space.  We aren't and they need
>> to know that.  We also need to know this.  And we also must have the
>> information needed to express this.
>>
>> /rant
>>
>>
>> On 5/6/11, Corey McGuire <coreyfro at coreyfro.com> wrote:
>> > The only trouble I see with that tact is ventilation related.  Wood in
>> > the machine makes smoke.  Smoking at a rate faster than the fans can
>> > evacuate the smoke will cause the machine to fowl, cut to degrade, and
>> > cranky bastards complaining about the laser.
>> >
>> > I am most worried about the later because I have already been bothered
>> > by politically motivated dicks with axes to grind.  So far, only idle
>> > threats about NB not being a place for a laser engraver, but I don't
>> > take them lightly.  Not because I want to make these people
>> > happy...no...because I want a fucking laser engraver.
>> >
>> > Which brings me to a point that NONE of these aforementioned dicks has
>> > made, even though I said I would back them up on it if they did:
>> >
>> > Lots of people want to move the dirty shop.  Some want it in the back,
>> > some want it off a short pier.  Being a do-a-crazy, if they don't
>> > bring it up on the list, they don't get their way, period.  I'm happy
>> > with that.  But, in the interest of prosperity, I have the following
>> > suggestion: Swap the back classroom with the dirty shop, partition the
>> > areas in any legal and legitimate way possible to prevent noise, dust,
>> > and fumes from spreading.  Vent-vent-vent.  What is good for the dirty
>> > shop is good for the laser.
>> >
>> > When it's time, I will help the move from start to finish because I
>> > use both of these areas...but...until they bring it up, I say fuck'em.
>> >
>> > On 5/6/11, Sean Cusack <sean.p.cusack at gmail.com> wrote:
>> >> I've definitely cut through a ton of 1/4" ply on epilogs - in my
>> >> experience,
>> >> wood is significantly harder to cut than plastics. If you go slow,
>> >> everything catches on fire. too fast and nothing happens. I've had luck
>> >> using the highest power I can manage, and then adjusting speed/passes
>> >> accordingly to make sure wood doesn't burn. Unfortunately, since a lot
>> of
>> >> my
>> >> work has been on 60 or 100W systems, the setting I generally use are
>> >> probably not very applicable here...not sure if that really helped or
>> >> not...
>> >>
>> >> Sean
>> >>
>> >> On Fri, May 6, 2011 at 2:49 PM, Corey McGuire <coreyfro at coreyfro.com>
>> >> wrote:
>> >>
>> >>> 60 passes at 1.5ma, not through.  Trying 30 passes at 3ma right now.
>> >>>
>> >>> Part of the problem, as I have experienced it, is the wood gets
>> cooked,
>> >>> burnt, and won't cut readily anymore.  If anyone has other ideas, let
>> me
>> >>> know.
>> >>>
>> >>>
>> >>> On Fri, May 6, 2011 at 9:05 AM, Corey McGuire
>> >>> <coreyfro at coreyfro.com>wrote:
>> >>>
>> >>>> I should say that cutting through the glue layers was messy, but
>> trying
>> >>>> 50
>> >>>> passes instead of just 10 might be the solution.
>> >>>>
>> >>>>
>> >>>> On Fri, May 6, 2011 at 9:01 AM, Corey McGuire
>> >>>> <coreyfro at coreyfro.com>wrote:
>> >>>>
>> >>>>> I have had little success with plywood, but I have some ideas on
>> what
>> >>>>> to
>> >>>>> do next.  I have some 3/16th's luan that I've tried before.  I'm
>> going
>> >>>>> to
>> >>>>> make something a little less complex and try a new tact, soon.
>> >>>>>
>> >>>>> On Fri, May 6, 2011 at 8:54 AM, Dave Johnson
>> >>>>> <dave at chenerystreet.com>wrote:
>> >>>>>
>> >>>>>> Hello Fabbers,
>> >>>>>>
>> >>>>>> New guy here: I understand from a coworker that y'all have a
>> largely
>> >>>>>> functional laser cutter...can it cut 1/4" plywood? 1/8"?
>> >>>>>>
>> >>>>>> If so, I'd love to come by, throw some dollars in the jar, and play
>> >>>>>> with
>> >>>>>> it a little. I'd probably want someone who knows their way around
>> it
>> >>>>>> to
>> >>>>>> give
>> >>>>>> me an introduction, maybe I can arrange to meet somebody?
>> >>>>>>
>> >>>>>> I just finished my latest machine (see
>> >>>>>> http://www.youtube.com/watch?v=W7REmfZ6O5U) and after cutting all
>> >>>>>> those
>> >>>>>> gears on a scroll saw I'm ready for a computer assist :-)
>> >>>>>>
>> >>>>>> Thx,
>> >>>>>>
>> >>>>>> Dave
>> >>>>>>
>> >>>>>> _______________________________________________
>> >>>>>> Fab mailing list
>> >>>>>> Fab at lists.noisebridge.net
>> >>>>>> https://www.noisebridge.net/mailman/listinfo/fab
>> >>>>>>
>> >>>>>>
>> >>>>>
>> >>>>
>> >>>
>> >>> _______________________________________________
>> >>> Fab mailing list
>> >>> Fab at lists.noisebridge.net
>> >>> https://www.noisebridge.net/mailman/listinfo/fab
>> >>>
>> >>>
>> >>
>> >
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>>
>
>
>
> --
> Shannon Lee
> (503) 539-3700
>
> "Any sufficiently analyzed magic is indistinguishable from science."
>
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